usfling.com
Observed Jul 27, 2026, 18:56 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Secured byGoogle Trust Services
Also usesGoogle Search Console
4 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usfling.com actually stands on - every host below is a signed observation
usfling.com
A / AAAA
34.111.37.28
unattributedserves the site
NS
ns1.dnsimple-edge.comns2.dnsimple-edge.netns3.dnsimple-edge.ions4.dnsimple-edge.org
dnsimple-edge.com + dnsimple-edge.net + moreanswers its DNS
MX
mx1.smashtic.com
smashtic.comreceives its email
TLS
usfling.com
Google Trust Servicesissued its certificate
DNS Records
A 1
34.111.37.28
MX 1
10mx1.smashtic.com
TXT 13
google-site-verification=8dv_7cZMRIUdp--mvqZHLAjYT_c65v3JTIAeU3qfAvov=spf1 include:136224628.spf2.netcorecloud.net include:spf.smashtic.com -allyahoo-verification-key=zQ+bF3xuU53dilATPuMGcqnxiFolUHDaQYeqjlFcZvU=v=DMARC1; p=reject; sp=reject; pct=100; fo=1; ri=3600; rua=mailto:dmarcrecord@gmail.com; ruf=mailto:dmarcrecord@gmail.com;google-site-verification=8dv_7cZMRIUdp--mvqZHLAjYT_c65v3JTIAeU3qfAvov=spf1 include:136224628.spf2.netcorecloud.net include:spf.smashtic.com -allyahoo-verification-key=zQ+bF3xuU53dilATPuMGcqnxiFolUHDaQYeqjlFcZvU=google-site-verification=8dv_7cZMRIUdp--mvqZHLAjYT_c65v3JTIAeU3qfAvov=spf1 include:136224628.spf2.netcorecloud.net include:spf.smashtic.com -allyahoo-verification-key=zQ+bF3xuU53dilATPuMGcqnxiFolUHDaQYeqjlFcZvU=
NS 4
ns1.dnsimple-edge.comns2.dnsimple-edge.netns3.dnsimple-edge.ions4.dnsimple-edge.org
SOA 1
ns1.dnsimple-edge.com admin.dnsimple.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
usfling.com |
C=US, O=Google Trust Services, CN=WR3 | Sat, 03 Oct 2026 14:44:46 +0000 |
WR3 |
C=US, O=Google Trust Services LLC, CN=GTS Root R1 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R1 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (4)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_31d2c4a9d93b2cef- Output Hash
f5a79e67667edeb85c0a6241e0aae9e58c2ca28f686970044c9d3a7daf72ad48- Signature
ed25519:8d5e3a4b3856c696f06ee8d36daa0f3bcbea770dcbf12a4d815706422b37efd0a6f6414c4419b907da2c5539a49262f05e6ee17bfc5d3d805f40e4d2d078fb03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast